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RAM 10W/128MB +3.3V (from Teleks post)
so about 3a on your 3.3 line
If your planning on a full scale system - with lots of stuff drawing off the 3.3v line you might want to worry about the max 3.3v current of your PSU.

I suppose as long as none of your software requires more why bother..?

[SIZE=1]'91 Nissan Stanza

[XXXXXXXXXXXXXXXXXXXX] XX% Completed -
Car Totaled and i bought a 20G mp3 player

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Steve: Why the heavy ram requirements? My mp3car runs beautifully on a p-133 with 16mb of ram, running my own customized VB control app, with winamp providing sound, and boots in 43 seconds. What are you doing, playing quake in the car? It always puzzles me why the mp3car guys tend to drift toward 2 extremes: the low-end guys who make it happen on a p-120 or p-100 with 16m ram, and then the power users who run p3-800+'s with large amounts of ram. The key to getting your system to work is to optimize the OS, by removing any unneccesary software from the drive, using a very lightweight OS, disabling the startup shell and making your mp3car program the default shell, etc.